Democrats had the presidency, senate, and house all under their control and didn't act like they believed it was a serious issue. It was a time where they could

Democrats had the presidency, senate, and house all under their control and didn't act like they believed it was a serious issue. It was a time where they could have done something big (e.g., carbon tax). But it was politically more useful to take token measures, stay friends with the carbon industry, and keep climate change as a political issue. If you want something done, you should pick us! If we do it, then maybe you don't need to pick us anymore. Keep chasing the carrot.